% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 21 73 94 62 38 63 17 65 62 96 154 225 228 309 174 202 219 147 126 120 102 76 82 17 137 81 77 126 73 70 94 76 82 72 58 102 114 155 121 145 128 128 124 98 62 131 149 123 131 91 117 144 125 119 171 68 111 73 69 105 105 89 55 127 87 58 68 59 46 81 90 84 34 54 50 69 65 63 75 56 59 60 15 40 59 39 47 52 49 43 40 54 28 44 32 50 34 34 23 29 49 -11 42 12 -13 -9 16 -13 -32 -22 20 20 -28 20 -19 -17 -20 -18 -24 -32 -22 -38 -23 -20 -39 -19 -7 22